trapdoors
📖 中文释义
- (trapdoor 的复数) n. 地板门, 活板门, 活动天窗
🧩 词形变化
原形 trapdoor
📘 English Definition（英文释义）
- plural of trapdoor
- n. A lifting or sliding door covering an opening in a roof
- or floor.
- n. A door in a level for regulating the ventilating current;
- -- called also weather door.